Create an empty game object (GameObject -> Create Empty) and rename it CleverTapUnityAndroid. Add Assets/CleverTapUnityAndroid/CleverTapUnity-Scripts/CleverTapAndroid.cs as a component of the CleverTapUnityAndroid GameObject.

Select the game object in the Hierarchy pane and add your CleverTap settings inside the Inspector window. You must include your CleverTap Account ID and CleverTap Account Token from your CleverTap Dashboard -> Settings.